Model: 3639 3/4INL1

Check Valve

Properties:

Pipe Size Accommodated

0.750 inches 1st end

Flow Control Device

Disk

Connection Style

Socket with brazing ring (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Unthreaded internal pipe 1st end

Mounting Position

Horizontal

Maximum Operating Pressure

700.0 pounds per square inch single response

Material

Copper alloy 903 body

Material

Copper alloy 903 seat

Media For Which Designed

Water-oil-gas single response

Style Designator

Straight thru

NSN

4820-00-045-5019

Part Number

3639 3/4INL1

Description

Valve,check

CAGE

03950

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 3639 3/4INL1 NSN 4820-00-045-5019

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481301090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over